G S Sachin

Introduction: Evaluation of semisolid dosage forms MCQs With Answer provides B.Pharm students a focused review of methods used to assess creams, ointments, gels and pastes. This concise, keyword-rich introduction covers rheology, viscosity, spreadability, extrudability, drug content, in vitro release (Franz diffusion), preservative efficacy, microbial limits, stability testing (ICH), packaging compatibility and skin irritation assessment. Understanding … Read more

Excipients used in semisolid dosage forms MCQs With Answer — This concise introduction reviews essential excipients commonly used in semisolid formulations such as ointments, creams, gels and pastes. Topics include gelling agents (Carbopol, cellulose derivatives), emulsifiers (Tween, Span, glyceryl esters), humectants, preservatives, antioxidants, penetration enhancers, thickeners, levigating and occlusive agents, and selection criteria for stability, … Read more

Preparation of gels MCQs With Answer provides B. Pharm students a focused review of gel formulation principles, gelling agents, preparation methods, and evaluation techniques. This concise, keyword-rich introduction covers polymers (Carbopol, HPMC, xanthan), hydrogel vs organogel systems, rheology, pH adjustment, neutralization, cross-linking, preservatives, solvents, and factors affecting stability and drug release. Emphasis is on practical … Read more

Preparation of creams MCQs With Answer provides B.Pharm students a focused, practical review of topical formulation principles used in preparing creams. This resource covers key concepts such as cream types (O/W, W/O), emulsifiers and their HLB values, phase inversion, homogenization, excipients, preservatives, rheology modifiers, stability testing, and quality control parameters like viscosity, spreadability, pH, and … Read more

Preparation of pastes MCQs With Answer is a focused study aid for B.Pharm students aiming to master paste formulation, excipient selection, and practical manufacturing steps. This resource highlights levigation, incorporation techniques, choice of vehicles and absorbents (zinc oxide, kaolin, starch), rheology concepts (plastic flow, thixotropy), stability issues, preservatives, and quality control tests. Emphasis is on … Read more

Preparation of ointments is a core topic in pharmaceutical technology for B. Pharm students, covering formulation principles, selection of ointment bases, compounding techniques, and quality evaluation. This introduction explains ointment bases (oleaginous, absorption, water-removable, water-soluble), methods of preparation (fusion, incorporation, levigation), and key formulation factors such as drug solubility, rheology, preservatives, antioxidants, and emulsifying agents. … Read more